BlackBerry Enterprise Server: Users Not Receiving Messages to Handheld After Mailbox Moves

Summary:

BlackBerry server maps user mailboxes by using a process called worker treads. Each worker tread is cable of handling multiple mailboxes. Each BES server is capable of handling 100 worker treads and up to 2000 users. Blackberry version [4.0.4.5], is capable of mapping worker treads back to a user mailboxes when a mailbox gets moved to a different store by scanning the GAL for changes in the Server DN.BES users may not receive messages to their handheld device after a mailbox move if the MAPI32.DLL version is not consistent on your BES servers and Exchange servers.

Note:

Mailbox moves within the same server are not updated by BES and thus messages will not be received by handheld until BES services are restarted. This is because BES scans users mailboxes for changes in the Server DN. Since mailboxes are moved within the same server, BES is unware of the mailbox move. This is by design.

Cause:

BES servers must have the same DLL versions for the following files as your Exchange server otherwise BES will not be able to reflect the mailbox move and users will not receive messages to their handheld device. In addition, your Exchange server will also experience a memory leak if your Emsmdb32.dll version is also not consistent with your BES and Exchange server.

MAPI32.DLL
Emsmdb32.DLL
CDO.DLL



Resolution:

Update the following files on all your BES servers to match that of your Exchange server. Do not copy and paste these files, you must apply the entire service pack.

MAPI32.DLL
Emsmdb32.DLL
CDO.DLL

Additional References:

Support - Memory leak causes ERR_RESOURCE_ALLOC error and truncated device message

Last Updated: 10 April 2006
Article Number: KB-03665



James Chong (MVP)
MCITP | EMA; MCSE | M+, S+
Security+, Project+, ITIL
msexchangetips.blogspot.com

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